A) 4 A
B) 2 A
C) 6 A
D) 10 A
Correct Answer: B
Solution :
| [b] Given \[{{i}_{p}}=4\,A\],\[{{N}_{p}}=140\],\[{{N}_{s}}=280\] |
| From the formula, |
| \[\frac{{{i}_{p}}}{{{i}_{s}}}=\frac{{{N}_{s}}}{{{N}_{p}}}\] |
| or \[\frac{4}{{{i}_{s}}}=\frac{280}{140}\] |
| So. \[{{i}_{s}}=2\,A\] |
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